A 24-year-old female space commander has become a viral sensation on Chinese social media for her work on the Chang'e-5 Moon exploration programme.
Despite being the youngest commander at the Wenchang Spacecraft Launch Site, Zhou Chengyu is known at work as "Big Sister" as a sign of respect.
The Chang'e-5 mission is China's third successful Moon landing in seven years.
Ms Zhou was in charge of the rocket connector system - described as a pivotal role.